CVE-2016-6333
6.1
MEDIUM
CVSS 3.1
EPSS 0.34%
Description
Cross-site scripting (XSS) vulnerability in the CSS user subpage preview feature in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via the edit box in Special:MyPage/common.css.
How to fix CVE-2016-6333
To remediate CVE-2016-6333, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.27.1-1 or later
Is CVE-2016-6333 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.27.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |